EP3292366A1 - Dispositif de protection pour échangeurs thermiques. - Google Patents
Dispositif de protection pour échangeurs thermiques.Info
- Publication number
- EP3292366A1 EP3292366A1 EP16722131.6A EP16722131A EP3292366A1 EP 3292366 A1 EP3292366 A1 EP 3292366A1 EP 16722131 A EP16722131 A EP 16722131A EP 3292366 A1 EP3292366 A1 EP 3292366A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- holding means
- protection device
- face
- protective
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
- B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/002—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using inserts or attachments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/52—Radiator or grille guards ; Radiator grilles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/06—Casings, cover lids or ornamental panels, for radiators
- F24D19/067—Front coverings attached to the radiator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/02—Safety or protection arrangements; Arrangements for preventing malfunction in the form of screens or covers
Definitions
- the invention relates to the field of protection devices for heat exchangers and more particularly for heat exchangers placed in front lace of a motor vehicle.
- the heat exchangers placed on the front face may be the victim of spraying debris or stones that may damage or even pierce the flat tubes inside which circulates a carrier fluid.
- one of the aims of the invention is to at least partially overcome the disadvantages of the prior art and to propose an improved fixing protection device.
- the present invention therefore relates to a protection device for a heat exchanger, said heat exchanger comprising at least one front lace and one rear face in opposition to each other, and a first side face and a second opposing side face.
- said protective device comprising a protective grid and being intended to be placed facing the front face of said heat exchanger, the protective grid having on two opposite ends respectively first holding means and second holding means adapted to overlap an associated side face of the heat exchanger and to engage with the rear face of said heat exchanger.
- the first and second holding means are thus in opposition and allow rapid attachment of the protective device on the front face of the heat exchanger without the need to equip said heat exchanger with particular elements for fixing.
- At least the first holding means or the second holding means comprise at least one fixing hook intended to engage with the rear face of the heat exchanger.
- At least the first holding means or the second holding means comprise at least one fixing lug with elastic casing against the rear face of the heat exchanger.
- the elastically fitting fastening lug comprises a flexible blade rooted on the protective grid and having at its free end a beveled head intended to engage the rear face of the exchanger. thermal.
- the elastic casing fastening lug comprises a flexible lamella of general "J" shape comprising two branches of different lengths connected by an elbow, the longest branch taking root on the protective grid and the free end of the shortest branch being intended to come into contact with the rear face of the heat exchanger.
- the first holding means and the second holding means comprise both at least one fastening lug elastically fitted against the rear face of the heat exchanger.
- the protection device comprises separating elements intended to be placed between the protective grid and the front lace of the heat exchanger.
- the protective device is made of plastic.
- the present invention also relates to a heat exchange assembly comprising a heat exchanger and a protection device as previously described and placed on said exchanger.
- FIG. 1 shows a schematic representation in perspective of a protection device mounted on a heat exchanger
- FIG. 2 shows a schematic perspective representation of a protection device according to a first embodiment
- FIG. 4 shows a schematic representation in perspective of a protection device according to a second embodiment
- FIG. 5 shows a schematic representation in perspective of the protection device of FIG. 3 when it is put in place on a heat exchanger
- Figure 6 shows a schematic perspective view of a protection device according to a third embodiment.
- the identical elements bear the same reference numbers.
- FIGS. 1 to 6 show a protection device 1 for heat exchanger 20.
- the heat exchanger 20 comprises at least one front face 20a, a rear face 20b in opposition to each other and a first 20c and a second 20d side faces also in opposition to each other.
- front face 20a is meant the face of the heat exchanger 20 through which a first coolant, for example an air flow, enters said heat exchanger 20 in order to pass through it.
- a first coolant for example an air flow
- this front face 20a is generally that directed towards the front of said motor vehicle and therefore the most subject to undergo projections and impacts.
- the rear face 20b is by analogy, the face of the heat exchanger 20 opposite the front face 20a and therefore that by which the first coolant fluid comes out.
- first side face 20c and second side face 20d is meant more particularly faces on opposite sides of the heat exchanger 20 and which are located on planes preferably perpendicular to the planes of the front faces 20a and 20b rear.
- the heat exchanger 20 may for example be a tube exchanger comprising flat tubes, parallel to each other, in which circulates the second coolant fluid. Between these flat tubes are arranged fins connecting two successive flat tubes. The first heat transfer fluid circulates between said flat tubes through said fins.
- the protective device 1 is intended to be placed facing the front face 20a of the heat exchanger 20 and comprises a protective grid 30.
- the protective grid 30 is composed of longitudinal bars parallel to each other and also comprises spacers connecting said longitudinal bars.
- the longitudinal bars 3 preferably cover the sides of said flat tubes to protect them effectively.
- the protective device 1 is preferably made of plastic material and is perforated so as to allow the circulation of the first fluid through the heat exchanger 20.
- the protective grid 30 is here rectangular and comprises on two opposite ends, that is to say on two opposite sides, first holding means 11 and second holding means 12 respectively overlapping the first side face 20c and the second side face 20d of the heat exchanger 20 and engaging the rear face 20b of said heat exchanger 20.
- the heat exchanger 20 is generally of paraiipepedic shape and therefore has other side faces.
- the heat exchanger 20 also includes boxes 20, 24 for supplying and circulating a second heat transfer fluid within said heat exchanger 20.
- the first 20c and second side faces 20d may be the side faces that do not carry the boxes 22, 24. It is nevertheless possible to imagine a particular embodiment where the first holding means 11 and the second holding means 12 overlap the boxes 22, 24.
- the first side face 20c and second side face 20d of the heat exchanger 20 are here the upper side faces, that is to say facing upwards, and lower, that is to say facing downwards. Therefore, the gravity also plays in the maintenance of the protection device 1 and this limits the risk of displacement by sliding of the protective device 1 along the heat exchanger 20.
- the first holding means 1 1 comprise three fixing hooks engaging with the rear face 20b of the heat exchanger 20; the two second retaining means 12 comprise three fastening lugs elastically fitted against the rear face 20b of the heat exchanger 20.
- the establishment of the protection device 1 according to this first embodiment therefore requires two steps, a first step of attachment of the protection device 1 by means of the fastening hooks on the first side face 20c and a second step of encircling the fastening lugs with elastic casing by simply pushing said protection device 1 against the heat exchanger 20.
- the number of hooks or fixing lugs is different, for example four hooks and four fastening lugs.
- the number of hooks and the number of tabs are different, for example two hooks and three brackets.
- the first holding means 1 1 and the second holding means 1 2 comprise both three fixing lugs elastically fitted against the rear face 20b of the heat exchanger 20.
- the elastically fitting fastening tab comprises a flexible blade of general shape in "J" comprising two branches of different lengths and an elbow connecting the two branches.
- the longest branch takes root on the protection grid 30.
- the shortest branch forms a ramp for snapping of the bracket on the exchanger 20, the free end of the shorter branch being intended to come to the contact of the rear face 20b of the heat exchanger 20.
- the distance separating the gate 30 from the free end of the shortest branch corresponds to the thickness of the exchanger 20.
- the thickness of the exchanger 20 corresponds to to the width of the lateral faces 2c, 2d.
- the elastically fitting fastening lug comprises a flexible blade attached at one of its ends to the protection device and comprising at its other end a beveled head forming a ramp intended to come into contact with of the rear face 20b of the heat exchanger 20.
- the fixing lug has indeed a recess between the beveled head and the flexible blade.
- the flexible strip has a length between the grid 30 and the beveled head corresponds to the thickness of the exchanger 20.
- the fastening tabs deform through the movement of the device 1 to the face 20a of the exchanger 20.
- the tabs slide on the side faces 20c, 20d until, for each leg the shorter branch of the leg or the beveled head has passed the other side of the side face 20c, 20d so that the faces 20c, 20d are sandwiched between the grid 30 and the branches most short legs or beveled heads.
- the establishment of the protection device 1 according to this second embodiment then comprises only one fixing step by enciquidating the tabs fastening device with elastic casing by simply pushing said protection device 1 against the heat exchanger 20.
- the hooks are not elastic, the saddle hooks are positioned on the lateral face and then the latching movement of the fastening tabs on the opposite lateral face of the same way as exposed for the other modes realization.
- first holding means 1 1 and second holding means 12 allow rapid attachment of the protective device 1 on the front face 20a of the heat exchanger 20 without the need to equip said heat exchanger 20 with particular elements for fixing.
- the protective grid of the protection device 1 may comprise one or more separating elements (not shown).
- These separator elements are intended to come into contact with the front face 20a of the heat exchanger 20, and are held in contact with said front face 20a by virtue of the first 1! and second 12 holding means.
- Such a separating element may for example be a frame surrounding the protective grid, said protective grid being positioned recessed within said frame.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1554050A FR3035956B1 (fr) | 2015-05-06 | 2015-05-06 | Dispositif de protection pour echangeurs thermiques |
| PCT/EP2016/060082 WO2016177826A1 (fr) | 2015-05-06 | 2016-05-04 | Dispositif de protection pour échangeurs thermiques. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3292366A1 true EP3292366A1 (fr) | 2018-03-14 |
| EP3292366B1 EP3292366B1 (fr) | 2020-07-08 |
Family
ID=54014952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16722131.6A Active EP3292366B1 (fr) | 2015-05-06 | 2016-05-04 | Dispositif de protection pour échangeurs thermiques. |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3292366B1 (fr) |
| FR (1) | FR3035956B1 (fr) |
| WO (1) | WO2016177826A1 (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3035955B1 (fr) * | 2015-05-06 | 2019-04-19 | Valeo Systemes Thermiques | Echangeur de chaleur comportant un dispositif de protection |
| FR3060106B1 (fr) * | 2016-12-12 | 2019-05-17 | Valeo Systemes Thermiques | Dispositif d’echange de chaleur comportant un dispositif de protection |
| FR3079453B1 (fr) | 2017-05-02 | 2021-03-05 | Valeo Systemes Thermiques | Dispositif d'echange de chaleur comprenant un filet de protection |
| FR3073453B1 (fr) | 2017-05-02 | 2021-03-05 | Valeo Systemes Thermiques | Dispositif de protection d'un echangeur de chaleur |
| FR3066013A1 (fr) * | 2017-05-02 | 2018-11-09 | Valeo Systemes Thermiques | Tube d'echange de chaleur et echangeur de chaleur comportant au moins un tel tube |
| EP3457071B1 (fr) | 2017-09-18 | 2023-05-17 | Valeo Autosystemy SP. Z.O.O. | Dispositif de protection pour échangeur de chaleur |
| EP3591328B1 (fr) * | 2018-07-03 | 2022-08-17 | Valeo Autosystemy Sp. z o.o. | Module d'échangeur de chaleur avec grille de protection servant à diriger et à distribuer de l'air |
| EP3590771B1 (fr) * | 2018-07-03 | 2021-03-03 | Valeo Autosystemy SP. Z.O.O. | Système de grille de protection comportant des éléments d'étanchéité |
| DE102018124295A1 (de) | 2018-10-02 | 2020-04-02 | Volkswagen Aktiengesellschaft | Befestigungsanordnung für einen Wärmetauscher |
| DE102019216754A1 (de) * | 2019-10-30 | 2021-05-06 | Mahle International Gmbh | Wärmeübertrager, insbesondere Kühlmittelkühler |
| EP4223570A1 (fr) * | 2022-02-02 | 2023-08-09 | Valeo Autosystemy SP. Z.O.O. | Dispositif de protection |
| DE102022209688A1 (de) | 2022-09-15 | 2024-03-21 | Mahle International Gmbh | Schutzeinrichtung für Rohrkörper eines Wärmeübertragers |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5042575A (en) * | 1990-08-27 | 1991-08-27 | General Motors Corporation | Evaporator core having biocidal fixture |
| FR2737157B1 (fr) * | 1995-07-27 | 1997-08-29 | Valeo Thermique Moteur Sa | Ecran de protection pour echangeur de chaleur de vehicule |
| US6810950B1 (en) * | 2003-09-13 | 2004-11-02 | Manze, Iii Louis F. | Radiator cover |
-
2015
- 2015-05-06 FR FR1554050A patent/FR3035956B1/fr active Active
-
2016
- 2016-05-04 WO PCT/EP2016/060082 patent/WO2016177826A1/fr not_active Ceased
- 2016-05-04 EP EP16722131.6A patent/EP3292366B1/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| FR3035956B1 (fr) | 2019-06-21 |
| EP3292366B1 (fr) | 2020-07-08 |
| FR3035956A1 (fr) | 2016-11-11 |
| WO2016177826A1 (fr) | 2016-11-10 |
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